2 * PS3 platform setup routines.
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/kernel.h>
22 #include <linux/delay.h>
24 #include <linux/root_dev.h>
25 #include <linux/console.h>
26 #include <linux/kexec.h>
28 #include <asm/machdep.h>
29 #include <asm/firmware.h>
31 #include <asm/iommu.h>
34 #include <asm/lv1call.h>
39 #define DBG(fmt...) udbg_printf(fmt)
41 #define DBG(fmt...) do{if(0)printk(fmt);}while(0)
44 int ps3_get_firmware_version(union ps3_firmware_version *v)
46 int result = lv1_get_version_info(&v->raw);
55 EXPORT_SYMBOL_GPL(ps3_get_firmware_version);
57 static void ps3_power_save(void)
60 * lv1_pause() puts the PPE thread into inactive state until an
61 * irq on an unmasked plug exists. MSR[EE] has no effect.
62 * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt.
68 static void ps3_panic(char *str)
70 DBG("%s:%d %s\n", __func__, __LINE__, str);
76 printk(" System does not reboot automatically.\n");
77 printk(" Please press POWER button.\n");
83 static void __init ps3_setup_arch(void)
85 union ps3_firmware_version v;
87 DBG(" -> %s:%d\n", __func__, __LINE__);
89 ps3_get_firmware_version(&v);
90 printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", v.major, v.minor,
93 ps3_spu_set_platform();
100 #ifdef CONFIG_DUMMY_CONSOLE
101 conswitchp = &dummy_con;
104 ppc_md.power_save = ps3_power_save;
106 DBG(" <- %s:%d\n", __func__, __LINE__);
109 static void __init ps3_progress(char *s, unsigned short hex)
111 printk("*** %04x : %s\n", hex, s ? s : "");
114 static int __init ps3_probe(void)
116 unsigned long htab_size;
117 unsigned long dt_root;
119 DBG(" -> %s:%d\n", __func__, __LINE__);
121 dt_root = of_get_flat_dt_root();
122 if (!of_flat_dt_is_compatible(dt_root, "PS3"))
125 powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
129 ps3_mm_vas_create(&htab_size);
130 ps3_hpte_init(htab_size);
132 DBG(" <- %s:%d\n", __func__, __LINE__);
136 #if defined(CONFIG_KEXEC)
137 static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
139 DBG(" -> %s:%d\n", __func__, __LINE__);
143 for_each_online_cpu(cpu)
145 ps3_smp_cleanup_cpu(cpu);
147 ps3_smp_cleanup_cpu(0);
149 DBG(" <- %s:%d\n", __func__, __LINE__);
152 static void ps3_machine_kexec(struct kimage *image)
154 unsigned long ppe_id;
156 DBG(" -> %s:%d\n", __func__, __LINE__);
158 lv1_get_logical_ppe_id(&ppe_id);
159 lv1_configure_irq_state_bitmap(ppe_id, 0, 0);
161 ps3_mm_vas_destroy();
163 default_machine_kexec(image);
165 DBG(" <- %s:%d\n", __func__, __LINE__);
169 define_machine(ps3) {
172 .setup_arch = ps3_setup_arch,
173 .init_IRQ = ps3_init_IRQ,
175 .get_boot_time = ps3_get_boot_time,
176 .set_rtc_time = ps3_set_rtc_time,
177 .get_rtc_time = ps3_get_rtc_time,
178 .calibrate_decr = ps3_calibrate_decr,
179 .progress = ps3_progress,
180 #if defined(CONFIG_KEXEC)
181 .kexec_cpu_down = ps3_kexec_cpu_down,
182 .machine_kexec = ps3_machine_kexec,
183 .machine_kexec_prepare = default_machine_kexec_prepare,
184 .machine_crash_shutdown = default_machine_crash_shutdown,